Best way to Integrate a Javascript result with PHP

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北海茫月

Ok.

Basically I am utilizng the Google Maps API - It is Javascript.

My site runs off PHP for the most part.

My intention is to make calls to the Goog

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3条回答

心在旅途

2021-01-14 14:03

To send an answer from JavaScript to PHP requires AJAX:

If you can use JQuery, which is pretty much a standard, it's really easy. This is verbatim from one of the lessons I wrote for my PHPPro course:

receiveNumbers.php

<?php
if (isset($_GET['sentNums']))
{
    $sentNumbers = filter_input(INPUT_GET, 'sentNums', FILTER_SANITIZE_STRING, FILTER_FLAG_STRIP_HIGH);
    // Convert to array.
    $numbers = split(', ', $sentNumbers);
    // Echo out.
    echo json_encode($numbers).
}

index.php

<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> 
    <head>
        <title>Graph Sort | PHPExperts.pro</title>
        <script type="text/javascript" src="js/jquery-1.4.2.min.js"></script>
        <script type="text/javascript" src="js/jquery.json-2.2.min.js"></script>
        <script type="text/javascript">
var myNumbers = '5, 10, 22, 11';
var receivedNumbers;

<?php
// Send data from JavaScript -> PHP.
if (!isset($_GET['myData']))
{
?>
    jQuery.getJSON('receiveNumbers.php?sentNums=' + myNumbers, function(jsonReceived)
    {
        receivedNumbers = jQuery.parseJSON(jsonReceived);
        alert(receivedNumbers); // Expected [5,10,22,11]
    });
<?php
}
?>
       </script>
   </head>
</html>

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暗喜

2021-01-14 14:06

Yes! I did this just the other day:

in your PHP file do this (taken straight from my code):

<?php
$numbers = array(5, 2, 10, 15);
/* Model and stuff here */
?>
<html>
    <head>
        <script type="text/javascript">
// We're going to put all the info we need here, as a JS global variable.
// If you need even more control, simply fetch it via JQuery from a PHP script that does the following.
var numbers = <?php echo json_encode($numbers); ?>

alert(numbers);
// Expected output: [5,2,10,15]
alert(numbers[2]);
// Expected output: 10
        </script>
    </head>
</html>

Cheers!

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攒了一身酷

2021-01-14 14:07

I would recommend taking a look at this part of the Google Maps API.

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